<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>添加事件</title>
    <script src="lib/react/react.development.js"></script>
    <script src="lib/react/react-dom.development.js"></script>
    <script src="lib/babel.min.js"></script>
  </head>
  <body>
    <div id="root"></div>
    <script type="text/babel">
      let message = "前端小溪";
      class HelloWorld extends React.Component {
        say(e) {
          console.log("我是前端小溪");
          console.log(e.target);
        }
        render() {
          return (
            <div>
              <h2 onClick={this.say}>{message}</h2>
            </div>
          );
        }
      }

      ReactDOM.render(<HelloWorld />, document.getElementById("root"));
    </script>
  </body>
</html>
